It is time.

base/base.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 739 matching lines @@
         }],
         ['use_glib == 1', {
           'dependencies': [
             '../build/linux/system.gyp:glib',
           ],
         }, {  # use_glib == 0
           'sources!': [
             'message_loop/message_pump_glib_unittest.cc',
           ]
         }],
-        ['use_ozone == 1', {
-          'sources!': [
-            'message_loop/message_pump_glib_unittest.cc',
-          ]
-        }],
         ['OS == "linux" and use_allocator!="none"', {
             'dependencies': [
               'allocator/allocator.gyp:allocator',
             ],
           },
         ],
         ['OS == "win"', {
           'sources!': [
             'file_descriptor_shuffle_unittest.cc',
             'files/dir_reader_posix_unittest.cc',
@@ skipping 783 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }